Ibrahim Baidu in context: Street-network sprawl trends

Ibrahim Baidu in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
Ibrahim BaiduBorno (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ibrahim Baidu plotted against Borno and Nigeria. The SNDi of new construction in Ibrahim Baidu rose steadily, compared to Borno which followed a zig-zag trend with an overall increase and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Ibrahim Baidu's incremental SNDi rose from 2.08 to 3.75 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ibrahim Baidu ranked 13th out of 16 cities in Borno and 100th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.75
Rank in Nigeria
168th of 422
Rank in Borno
14th of 16

Entire Network (Aggregate)

SNDi value
2.29
Rank in Nigeria
100th of 422
Rank in Borno
13th of 16

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
Ibrahim BaiduMarhamatBaliya

In new street additions, Ibrahim Baidu built increasingly disconnected streets over time, while Marhamat built increasingly disconnected streets from 1975 through 1991-2005, then improved and Baliya fluctuated in its street-construction patterns. For the full network, Ibrahim Baidu and Marhamat both became progressively more disconnected, while Baliya fluctuated in connectivity. Ibrahim Baidu and Marhamat have been converging in their street-network character since 1975.